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Which of the following is the correct time complexity for computing h(n)=1r+2r+3r+⋯+nr, where r∈Z+ ? Group of answer choices O(n^r) O(2^(n−r)) O(n+r) O(n^(r+1))

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

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Which of the following is the correct time complexity for computing h(n)=1r+2r+3r+⋯+nr, where r∈Z+ ?

Group of answer choices

O(n^r)

O(2^(n−r))

O(n+r)

O(n^(r+1))

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